Lock Relay Functional Test
- With drivers seat occupied, doors unlocked, courtesy lights off, and transmission selector lever in "PARK", connect test light between ground and Dk. Green wire at relay. Move selector to "DRIVE".NOTE: Relay must be grounded externally and all doors closed.
If light remains off, check for open in Dk. Green wire between relay and module.
- If light came on momentarily in step 1) , probe Orange-Black feed wire at relay. If light comes on, proceed to step 3) . If light remains off, check for open in Orange-Black wire between relay and source.
- Move selector to "PARK" and probe Dk. Green-Yellow wire relay terminal and move selector to "DRIVE". If light remains off, replace lock relay. If light comes on momentarily, then goes out and doors lock, relay is good. If all doors do not lock, check for open in Dk. Green-Yellow wire between relay and door lock solenoid.